C‐Type Natriuretic Peptide Stimulates Prolactin Secretion by a Hypothalamic Site of Action

C‐Type Natriuretic Peptide Stimulates Prolactin Secretion by a Hypothalamic Site of Action
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C 型利钠肽通过下丘脑作用位点刺激催乳素分泌

DOI:
10.1111/j.1365-2826.1992.tb00208.x
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发表时间:
1992
影响因子:
3.2
通讯作者:
W. Samson
W. Samson
中科院分区:
医学3区
文献类型:
--
作者:
F. Huang;K. Skala;W. Samson

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C 型利钠肽 (CNP) 是最近发现的利钠肽家族成员,具有与其结构同源物 A 型利钠肽 (ANP) 相似的许多药理作用。与 ANP 一样,它不能显着改变在静态或动态条件下培养的分散的大鼠垂体前叶细胞中催乳素的释放。然而,与通过下丘脑作用抑制体内催乳素分泌的 ANP 不同,将 CNP 注射到第三脑室可显着刺激卵巢切除的清醒大鼠的催乳素分泌。在注射 2 nmole CNP 的动物中,注射后 15 分钟效果非常显着,并且短暂持续 30 分钟。在一组大鼠中,中央给予相似剂量的 ANP 后,观察到血浆催乳素水平显着受到抑制。这些结果表明 CNP 和 ANP 的不同下丘脑作用可能是由组织中存在的多种利尿钠肽受体介导的。此外,它们还为这些结构同源物在中枢神经系统中发挥的独特作用提供了额外的支持。
The most recently discovered member of the family of natriuretic peptides, C‐type natriuretic peptide (CNP), exerts many pharmacologic actions similar to its structural homolog A‐type natriuretic peptide (ANP). Like ANP it failed to significantly alter prolactin release from dispersed, rat anterior pituitary cells incubated under static or dynamic conditions. Unlike ANP, however, which inhibits prolactin secretion in vivo by a hypothalamic action, CNP injection into the third cerebroventricle significantly stimulated prolactin secretion in ovariectomized, conscious rats. The effect was highly significant 15 min after injection and transient, lasting 30 min in animals injected with 2 nmole CNP. In a companion group of rats, significant inhibition of plasma prolactin levels was observed after central administration of similar doses of ANP. These results suggest differing hypothalamic actions of the CNP and ANP perhaps mediated by multiple natriuretic peptide receptors present in the tissue. Further, they provide additional support for unique roles exerted within the central nervous system by these structural homologs.
DOI: 10.1016/0167-4889(89)90060-8
发表时间: 1989-03-06
期刊: BIOCHIMICA ET BIOPHYSICA ACTA
影响因子: --
作者:
HIRATA, M;CHANG, CH;MURAD, F
通讯作者: MURAD, F
心脏激素和神经内分泌功能。
DOI: 10.1007/978-1-4684-5799-5_11
发表时间: 1990
影响因子: --
作者:
Samson,WK
通讯作者: Samson,WK
DOI: 10.1159/000124922
发表时间: 1988-03
期刊: Neuroendocrinology
影响因子: 4.1
作者:
W. K. Samson;Rene Bianchi;Randy J. Mogg
通讯作者: W. K. Samson;Rene Bianchi;Randy J. Mogg
心房钠尿因子抑制大鼠黄体生成素分泌:下丘脑作用部位的证据。
DOI: 10.1210/endo-122-4-1573
发表时间: 1988
期刊: Endocrinology
影响因子: 4.8
作者:
Samson,WK;Aguila,MC;Bianchi,R
通讯作者: Bianchi,R
DOI: 10.1210/endo-122-6-2533
发表时间: 1988
期刊: Endocrinology
影响因子: 4.8
作者:
Hyde,JF;Ben-Jonathan,N
通讯作者: Ben-Jonathan,N